CA2307627A1 - Mill for use in a wellbore and method of milling - Google Patents

Mill for use in a wellbore and method of milling Download PDF

Info

Publication number
CA2307627A1
CA2307627A1 CA002307627A CA2307627A CA2307627A1 CA 2307627 A1 CA2307627 A1 CA 2307627A1 CA 002307627 A CA002307627 A CA 002307627A CA 2307627 A CA2307627 A CA 2307627A CA 2307627 A1 CA2307627 A1 CA 2307627A1
Authority
CA
Canada
Prior art keywords
mill
wellbore
milling
bore
core
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002307627A
Other languages
French (fr)
Other versions
CA2307627C (en
Inventor
William Allen Blizzard Jr.
Guy Lamont Mcclung Iii
Marc David Kuck
Thurman B. Carter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weatherford Technology Holdings LLC
Original Assignee
William Allen Blizzard Jr.
Guy Lamont Mcclung Iii
Marc David Kuck
Thurman B. Carter
Weatherford/Lamb, Inc.
Weatherford Technology Holdings, Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by William Allen Blizzard Jr., Guy Lamont Mcclung Iii, Marc David Kuck, Thurman B. Carter, Weatherford/Lamb, Inc., Weatherford Technology Holdings, Llc filed Critical William Allen Blizzard Jr.
Publication of CA2307627A1 publication Critical patent/CA2307627A1/en
Application granted granted Critical
Publication of CA2307627C publication Critical patent/CA2307627C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/04Directional drilling
    • E21B7/06Deflecting the direction of boreholes
    • E21B7/061Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/02Core bits
    • E21B10/04Core bits with core destroying means
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/50Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/60Drill bits characterised by conduits or nozzles for drilling fluids
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10Valve arrangements in drilling-fluid circulation systems
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B29/00Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
    • E21B29/06Cutting windows, e.g. directional window cutters for whipstock operations
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/04Directional drilling
    • E21B7/10Correction of deflected boreholes

Abstract

A mill for use in a wellbore said mill comprising a bore for accomodating a core, characterised in that at least a portion of said bore does not extend axially of said mill to, in use, facilitate separation of the core from a tubular being milled.
CA002307627A 1997-10-31 1998-11-02 Mill for use in a wellbore and method of milling Expired - Fee Related CA2307627C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/962,162 US6024168A (en) 1996-01-24 1997-10-31 Wellborne mills & methods
US08/962,162 1997-10-31
PCT/GB1998/003260 WO1999023345A2 (en) 1997-10-31 1998-11-02 Mill for use in a wellbore and method of milling

Publications (2)

Publication Number Publication Date
CA2307627A1 true CA2307627A1 (en) 1999-05-14
CA2307627C CA2307627C (en) 2006-02-28

Family

ID=25505499

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002307627A Expired - Fee Related CA2307627C (en) 1997-10-31 1998-11-02 Mill for use in a wellbore and method of milling

Country Status (6)

Country Link
US (1) US6024168A (en)
EP (1) EP1034354B1 (en)
AU (1) AU1039699A (en)
CA (1) CA2307627C (en)
DE (1) DE69816857T2 (en)
WO (1) WO1999023345A2 (en)

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US6209636B1 (en) 1993-09-10 2001-04-03 Weatherford/Lamb, Inc. Wellbore primary barrier and related systems
US6868906B1 (en) * 1994-10-14 2005-03-22 Weatherford/Lamb, Inc. Closed-loop conveyance systems for well servicing
US6196336B1 (en) * 1995-10-09 2001-03-06 Baker Hughes Incorporated Method and apparatus for drilling boreholes in earth formations (drilling liner systems)
US6135208A (en) * 1998-05-28 2000-10-24 Halliburton Energy Services, Inc. Expandable wellbore junction
US6267179B1 (en) * 1999-04-16 2001-07-31 Schlumberger Technology Corporation Method and apparatus for accurate milling of windows in well casings
US6708769B2 (en) * 2000-05-05 2004-03-23 Weatherford/Lamb, Inc. Apparatus and methods for forming a lateral wellbore
US6401821B1 (en) * 1999-12-23 2002-06-11 Re-Entry Technologies, Inc. Method and apparatus involving an integrated or otherwise combined exit guide and section mill for sidetracking or directional drilling from existing wellbores
US7077206B2 (en) * 1999-12-23 2006-07-18 Re-Entry Technologies, Inc. Method and apparatus involving an integrated or otherwise combined exit guide and section mill for sidetracking or directional drilling from existing wellbores
US6715567B2 (en) 2001-05-02 2004-04-06 Weatherford/Lamb, Inc. Apparatus and method for forming a pilot hole in a formation
US7487835B2 (en) * 2004-05-20 2009-02-10 Weatherford/Lamb, Inc. Method of developing a re-entry into a parent wellbore from a lateral wellbore, and bottom hole assembly for milling
CA2596094C (en) * 2006-08-08 2011-01-18 Weatherford/Lamb, Inc. Improved milling of cemented tubulars
US7537060B2 (en) * 2007-03-19 2009-05-26 Baker Hughes Incorporated Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore
US20080236829A1 (en) * 2007-03-26 2008-10-02 Lynde Gerald D Casing profiling and recovery system
US20090107724A1 (en) * 2007-10-24 2009-04-30 Schlumberger Technology Corporation Method and apparatus for continuous formation sampling and analysis during wellbore drilling
US7610957B2 (en) * 2008-02-11 2009-11-03 Baker Hughes Incorporated Downhole debris catcher and associated mill
US8833451B2 (en) * 2011-05-23 2014-09-16 Halliburton Energy Services, Inc. Window joint for lateral wellbore construction and method for opening same
US20130000907A1 (en) * 2011-06-28 2013-01-03 Halliburton Energy Services, Inc. Milling Assembly
US11268339B2 (en) * 2020-06-29 2022-03-08 Halliburton Energy Services, Inc. Guided wash pipe milling
GB2601547A (en) * 2020-12-04 2022-06-08 Equinor Energy As Establishing a sidetrack in a well

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Also Published As

Publication number Publication date
EP1034354B1 (en) 2003-07-30
DE69816857T2 (en) 2004-05-27
EP1034354A1 (en) 2000-09-13
DE69816857D1 (en) 2003-09-04
WO1999023345A3 (en) 1999-07-08
WO1999023345A2 (en) 1999-05-14
AU1039699A (en) 1999-05-24
CA2307627C (en) 2006-02-28
US6024168A (en) 2000-02-15

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Effective date: 20171102